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  • Syncytium formation occurs if Option: 1 karyokinesis is not followed by cytokinesis Option: 2

Syncytium formation occurs if 

Option: 1

karyokinesis is not followed by cytokinesis 


Option: 2

cytokinesis is not followed by karyokinesis 


Option: 3

No karyokinesis  takes place 


Option: 4

Both karyokinesis and cytokinesis are prevented 


Answers (1)

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As we have learned

Karyokinesis -

The M phase starts with the nuclear division, corresponding to the separation of daughter chromosomes (karyokinesis) and usually ends with division of cytoplasm (cytokinesis). 

- Syncytium is a multinucleate condition which occurs when division of cytoplasm (cytokinesis) is not followed by division nucleus (karyokinesis).

  1. “Karyon ” refers to Nucleus, so karyokinesis is division of Nucleus.
  2. “Cyto” means cytoplasm, so cytokinesis refers to division of cytoplasm.
  3. Both the processes takes place during cell division.
  4. Karyokinesis is first step of M phase of cell cycle. Cytokinesis is second step of M phase of cell cycle.
  5. Sometimes karyokinesis is not followed by cytokinesis, due to which multinucleate condition arises. This condition is also known as syncytium.

 

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Gaurav

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